package servlet;

import pojo.User;
import service.UserService;
import service.impl.UserServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

//注解
@WebServlet(urlPatterns = "/toUpdate")
public class ToUpdateUserServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //
        req.setCharacterEncoding("utf-8");

        String sid= req.getParameter("id");
       int id = Integer.parseInt(sid);

        UserService userService = new UserServiceImpl();
        User users = userService.findUserById(id);


        //把数据放到请求域
        req.setAttribute("user", users);
        req.getRequestDispatcher("/updateUser.jsp").forward(req, resp);
    }
}
